'''
@Author: OBKoro1
@Date: 2019-12-02 22:26:49
@LastEditors: OBKoro1
@LastEditTime: 2019-12-02 23:45:43
@FilePath: \bob_develop\fluent_python\示例5-12.py
'''
import bobo 

# @bobo.query('/')
def hello(person):
    return 'hello %s!' % person

print(hello.__defaults__) 
'''
形式参数默认值为空 None
该值为元组,里面保存着定位参数和关键字参数的默认值
仅限关键词的默认值保存在__kwdefaults__中
'''
